Reese Witherspoon and son Deacon stopped by Big 5 Sporting Goods to stock up on sporty staples like a big red kickball. With stylish sneakers and a baseball cap, this fit mom brings sporty chic to the playground.

Kendra Wilkinson's 10-month-old son, Hank, isn't ready to hit the soccer field yet, but that didn't stop this hot mama from enjoying an afternoon of fun in the sun with a friend's daughter. What better way to lose the baby weight than playing the sports you loved as a kid with a kid?

On a trip to Aspen, fit mom Heidi Klum enjoyed an afternoon at an outdoor rink with her family. Here she helps daughter Leni stay on her feet as son Henry skates by. Half an hour of ice skating burns 242 calories. Wonder how many more you burn when repeatedly picking up a stumbling child?